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  <h1 class="topictitle1">步骤4：注册PDB集（适用于1.6.0及后续版本）</h1>
  <div>
   <p>当要保护对象为多租用户场景（Multitenant Environment）下的CDB（容器数据库，Container Database）或PDB集（可插拔数据库，Pluggable Database）时，请参考本节注册PDB集。</p>
   <div class="section">
    <h4 class="sectiontitle">背景信息</h4>
    <p>仅Oracle 12c以及后续版本支持CDB与PDB的新特性，在多租用户环境中，允许一个CDB承载多个PDB。</p>
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   <div class="section">
    <h4 class="sectiontitle">前提条件</h4>
    <ul>
     <li>需提前将数据库注册至<span>本产品</span>，具体操作请参见<a href="oracle_gud_0024.html">步骤3：注册Oracle数据库</a>。</li>
     <li><span id="oracle_gud_0028__ph726173316142">请确保Oracle实例配置了多租用户场景，否则注册PDB集任务中没有可选的PDB。通过执行SQL语句命令<strong id="oracle_gud_0028__b9211112135015">SELECT cdb FROM v$database</strong>查询，回显为<span class="uicontrol" id="oracle_gud_0028__uicontrol10762145114811">“yes”</span>则表示当前Oracle实例已配置多租用户场景。回显为<span class="uicontrol" id="oracle_gud_0028__uicontrol1659611961514">“no”</span>，则表示该实例未配置多租用户场景，不存在PDB集。</span></li>
    </ul>
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    <h4 class="sectiontitle">操作步骤</h4>
    <ol>
     <li><span>选择<span class="uicontrol" id="oracle_gud_0028__zh-cn_topic_0000002199964685_uicontrol49641842919">“<span id="oracle_gud_0028__zh-cn_topic_0000002199964685_text63901566195">保护</span> &gt; 数据库 &gt; Oracle”</span>。</span></li>
     <li><span>选择<span class="uicontrol">“PDB集”</span>页签，单击<span class="uicontrol">“<span>注册</span>”</span>。</span><p></p><p>相关参数说明如<a href="#oracle_gud_0028__table17561557152715">表1</a>所示。</p>
      <div class="tablenoborder">
       <a name="oracle_gud_0028__table17561557152715"></a><a name="table17561557152715"></a>
       <table cellpadding="4" cellspacing="0" summary="" id="oracle_gud_0028__table17561557152715" frame="border" border="1" rules="all">
        <caption>
         <b>表1 </b>注册PDB集参数说明
        </caption>
        <colgroup>
         <col style="width:31.4%">
         <col style="width:68.60000000000001%">
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        <thead align="left">
         <tr>
          <th align="left" class="cellrowborder" valign="top" width="31.4%" id="mcps1.3.4.2.2.2.2.2.3.1.1"><p>参数</p></th>
          <th align="left" class="cellrowborder" valign="top" width="68.60000000000001%" id="mcps1.3.4.2.2.2.2.2.3.1.2"><p>说明</p></th>
         </tr>
        </thead>
        <tbody>
         <tr>
          <td class="cellrowborder" valign="top" width="31.4%" headers="mcps1.3.4.2.2.2.2.2.3.1.1 "><p>名称</p></td>
          <td class="cellrowborder" valign="top" width="68.60000000000001%" headers="mcps1.3.4.2.2.2.2.2.3.1.2 "><p>要保护的PDB集资源的名称。可自定义填写。</p></td>
         </tr>
         <tr>
          <td class="cellrowborder" valign="top" width="31.4%" headers="mcps1.3.4.2.2.2.2.2.3.1.1 "><p>数据库</p></td>
          <td class="cellrowborder" valign="top" width="68.60000000000001%" headers="mcps1.3.4.2.2.2.2.2.3.1.2 "><p>待备份的PDB集所在的数据库。</p></td>
         </tr>
         <tr>
          <td class="cellrowborder" valign="top" width="31.4%" headers="mcps1.3.4.2.2.2.2.2.3.1.1 "><p>节点</p></td>
          <td class="cellrowborder" valign="top" width="68.60000000000001%" headers="mcps1.3.4.2.2.2.2.2.3.1.2 "><p>当选择的数据库为集群部署时，显示该参数。</p> <p>选择待备份的PDB集所在的Oracle节点进行注册。</p></td>
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        </tbody>
       </table>
      </div> <p></p></li>
     <li><span>在“可选PDB”区域，勾选待备份的PDB；在“已选PDB”区域，查看已选择的PDB。</span><p></p>
      <div class="note">
       <img src="public_sys-resources/note_3.0-zh-cn.png"><span class="notetitle"> </span>
       <div class="notebody">
        <p>当勾选数据库实例中全部的PDB时，系统将自动识别为CDB。</p>
       </div>
      </div> <p></p></li>
     <li><span>单击<span class="uicontrol">“确定”</span>。</span></li>
    </ol>
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     <strong>父主题：</strong> <a href="oracle_gud_0013.html">备份Oracle数据库</a>
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